This unit is a rolling contact fatigue testing machine for various industrial materials, is is used by the Science and Technology Agency metal material branch and the Surgery Institute Expressions of Life testing machine.

Load can be set for each 150kgf from 100kgf to 1000kgf.

A vibration monitoring device is provided, and if flaws such as pitching and flaking occurs in the test piece, the operation can be programed to stop by the vibration acceleration on the load lever. The number of iterations is displayed in the electronic counter.